f(8)=8-4

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Solution for f(8)=8-4 equation: 


Simplifying
f(8) = 8 + -4

Reorder the terms for easier multiplication:
8f = 8 + -4

Combine like terms: 8 + -4 = 4
8f = 4

Solving
8f = 4

Solving for variable 'f'.

Move all terms containing f to the left, all other terms to the right.

Divide each side by '8'.
f = 0.5

Simplifying
f = 0.5

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